/**
 * @since 2016-08-04 15:27
 * @author vivaxy
 */
* {
  box-sizing: border-box;
}

html {
  width: 100%;
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  height: 100%;
}

.button {
  position: relative;
  display: inline-block;
  padding: 8px 16px;
}

.button:before {
  content: "";
  display: block;
  position: absolute;
  border: 1px solid #999;
  border-radius: 16px;
  width: 200%;
  height: 200%;
  top: 0;
  left: 0;
  -webkit-transform-origin: 0 0;
  -webkit-transform: scale(0.5);
  transform-origin: left top;
  transform: scale(0.5);
}